<template>
  <div class="container">
    <div class="box_left">
      <div class="logo">
        <div class="yu_tang_logo"></div>
        <div class="tian_jian_logo"></div>
      </div>
      <div class="login">
        <el-form
          ref="loginForm"
          :model="loginForm"
          :rules="loginRules"
          class="login-form"
        >
          <h3 class="title">账号登陆</h3>
          <el-form-item prop="username">
            <el-input
              v-model="loginForm.username"
              type="text"
              auto-complete="off"
              placeholder="账号"
            >
              <svg-icon
                slot="prefix"
                icon-class="user"
                class="el-input__icon input-icon"
              />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input
              v-model="loginForm.password"
              type="password"
              auto-complete="off"
              placeholder="密码"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon
                slot="prefix"
                icon-class="password"
                class="el-input__icon input-icon"
              />
            </el-input>
          </el-form-item>
          <!-- <el-form-item
            v-if="captchaEnabled"
            prop="code"
          >
            <el-input
              v-model="loginForm.code"
              auto-complete="off"
              placeholder="验证码"
              style="width: 63%"
              @keyup.enter.native="handleLogin"
            >
              <svg-icon
                slot="prefix"
                icon-class="validCode"
                class="el-input__icon input-icon"
              />
            </el-input>
            <div class="login-code">
              <img
                :src="codeUrl"
                class="login-code-img"
                @click="getCode"
              >
            </div>
          </el-form-item> -->
          <!--
          <el-checkbox
            v-model="loginForm.rememberMe"
            style="margin:0px 0px 25px 0px;"
          >记住密码</el-checkbox>
          <el-checkbox
            v-model="loginForm.freeLogin"
            style="margin:0px 0px 25px 50%;"
          >7天免登录</el-checkbox>
          -->
          <el-form-item style="width:100%;">
            <el-button
              :loading="loading"
              size="medium"
              type="primary"
              style="width:100%;"
              @click.native.prevent="handleLogin"
            >
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>
            <div
              v-if="register"
              style="float: right;"
            >
              <router-link
                class="link-type"
                :to="'/register'"
              >立即注册</router-link>
            </div>
          </el-form-item>
        </el-form>
        <!--  底部  -->
        <div class="el-login-footer">
          <!--
      <span>Copyright © 2018-2023 天健城市服务电子档案 All Rights Reserved.</span>
      -->
        </div>
      </div>
    </div>
    <div class="box_right">
      <div class="right_bg"></div>
    </div>

    <!--  -->
  </div>

</template>

<script>
import { getCodeImg } from '@/api/login'
import Cookies from 'js-cookie'
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: 'Login',
  data () {
    return {
      codeUrl: '',
      loginForm: {
        username: '',
        password: '',
        rememberMe: false,
        freeLogin: false,
        code: '',
        uuid: ''
      },
      loginRules: {
        username: [
          { required: true, trigger: 'blur', message: '请输入您的账号' }
        ],
        password: [
          { required: true, trigger: 'blur', message: '请输入您的密码' }
        ],
        code: [{ required: true, trigger: 'change', message: '请输入验证码' }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }
  },
  created () {
    this.getCode()
    this.getCookie()
  },
  methods: {
    getCode () {
      getCodeImg().then(res => {
        this.captchaEnabled = res.data.captchaEnabled === undefined ? true : res.data.captchaEnabled
        if (this.captchaEnabled) {
          this.codeUrl = 'data:image/gif;base64,' + res.data.img
          this.loginForm.uuid = res.data.uuid
        }
      })
    },
    getCookie () {
      const username = Cookies.get('username')
      const password = Cookies.get('password')
      const rememberMe = Cookies.get('rememberMe')
      const freeLogin = Cookies.get('freeLogin')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe),
        freeLogin: freeLogin === undefined ? false : Boolean(freeLogin)
      }
    },
    handleLogin () {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          if (this.loginForm.rememberMe) {
            Cookies.set('username', this.loginForm.username, { expires: 30 })
            Cookies.set('password', encrypt(this.loginForm.password), { expires: 30 })
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 })
          } else {
            Cookies.remove('username')
            Cookies.remove('password')
            Cookies.remove('rememberMe')
          }
          this.$store.dispatch('Login', this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || '/' }).catch(() => { })
          }).catch(() => {
            this.loading = false
            if (this.captchaEnabled) {
              this.getCode()
            }
          })
        }
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
.container {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  background-image: url("../assets/images/background.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: 100% 100%;
  .box_left {
    width: 45%;
    height: 100%;
    background-color: #0b1b2f;
    .logo {
      width: 100%;
      position: relative;
      .yu_tang_logo {
        width: 110px;
        height: 58px;
        position: absolute;
        top: 10px;
        left: 10px;
        background-image: url("../assets/images/yuTangLogo.png");
        background-repeat: no-repeat;
        background-position: center center;
      }
      .tian_jian_logo {
        width: 224px;
        height: 58px;
        position: absolute;
        top: 10px;
        left: 120px;
        background-image: url("../assets/images/tianJianLogo.png");
        background-repeat: no-repeat;
        background-position: center center;
      }
    }
    .login {
      display: flex;
      justify-content: center;
      margin-top: 25%;
      .title {
        margin: 0px auto 50px auto;
        text-align: center;
        color: #fff;
        font-size: 30px;
        font-weight: bold;
      }

      .login-form {
        border-radius: 6px;
        width: 400px;
        padding: 25px 25px 5px 25px;
        .el-form-item {
          margin-bottom: 40px;
          .el-input {
            height: 38px;
            input {
              height: 38px;
              background-color: #1e2d3f;
              border: 1px solid #344252;
            }
          }
          .input-icon {
            height: 39px;
            width: 14px;
            margin-left: 2px;
          }
        }
      }
      .login-tip {
        font-size: 13px;
        text-align: center;
        color: #bfbfbf;
      }
      .login-code {
        width: 33%;
        height: 38px;
        float: right;
        img {
          cursor: pointer;
          vertical-align: middle;
        }
      }
      .el-login-footer {
        height: 40px;
        line-height: 40px;
        position: fixed;
        bottom: 0;
        width: 100%;
        text-align: center;
        color: #fff;
        font-family: Arial;
        font-size: 12px;
        letter-spacing: 1px;
      }
      .login-code-img {
        height: 38px;
      }
    }
  }
  .box_right {
    width: 55%;
    height: 100%;
    background-color: #061220;
    .right_bg {
      width: 80%;
      height: 80%;
      background-image: url("../assets/images/login.png");
      background-size: contain;
      background-repeat: no-repeat;
      background-position: center center;
      margin: 10% auto;
    }
  }
}
</style>
